Bottle opener



FIG. 1 is a top plan view of a bottle opener showing my new design;

FIG. 2 is a side elevational thereof, the side opposite being a mirror image; and,

FIG. 3 is a perspective view thereof, the broken line showing of the bottle cap is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a bottle opener, as shown. 